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CONTRACTS AND AGREEMENTS (Tables) | 9 Months Ended
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Sep. 30, 2021
CONTRACTS AND AGREEMENTS |
Schedule of brokerage commissions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine months ended | ​ | Nine months ended |  | ​
​ | ​ | September 30, 2021 |  | September 30, 2020 |  | ​
Total commissions accrued to brokers | ​ | $ | 227,185 | ​ | $ | 413,504 |  | ​
Total commissions as annualized percentage of average total net assets | ​ |  | 0.10 | % |  | 0.20 | % | ​
Commissions accrued as a result of rebalancing | ​ | $ | 214,136 | ​ | $ | 396,633 |  | ​
Percentage of commissions accrued as a result of rebalancing | ​ |  | 94.26 | % |  | 95.92 | % | ​
Commissions accrued as a result of creation and redemption activity | ​ | $ | 13,049 | ​ | $ | 16,871 | ​ | ​
Percentage of commissions accrued as a result of creation and redemption activity | ​ |  | 5.74 | % |  | 4.08 | % | ​

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